Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
03/2009
03/19/2009CA2696401A1 Beacon symbols transmitted on multiple subcarriers for wireless communication
03/19/2009CA2696297A1 Capacity increasing devices and methods for wireless communication
03/19/2009CA2696295A1 Multiplexed beacon symbols for a wireless communication system
03/18/2009EP2037649A2 Communication device, multi carrier transmission system, communication method, and recording medium
03/18/2009EP2037648A2 Digital broadcast wave analyzing apparatus
03/18/2009EP2037619A1 An ofdm transmission symbol synchronization method and the system thereof
03/18/2009EP2037609A1 Device and method for performing communication in a variable band
03/18/2009EP2037606A1 Wireless base station and method for controlling wireless base station
03/18/2009EP2037605A1 Digital mobile communication system and its transmission/reception method
03/18/2009EP2036342A2 Phase shift based precoding method and transceiver for supporting the same
03/18/2009EP2036287A2 A method of configuring wireless resource for effective and efficient transmission in a wireless communication system
03/18/2009EP2036286A1 Apparatuses and a method for reducing peak power in telecommunications systems
03/18/2009EP2036285A2 Remote non-linearity detection via burst power dithering
03/18/2009EP2036284A1 Wideband out-of-band receiver
03/18/2009EP2036236A2 High bit rate rfid system
03/18/2009EP2036229A2 Estimation of cinr and rssi in a wireless communication system
03/18/2009EP1794899B1 A radio communication system, a radio station, and a method of transmitting data
03/18/2009EP1749399B1 System and method for carrying a wireless based signal over wiring
03/18/2009EP1520383B1 Radio frequency data capture
03/18/2009EP1145456A4 Method for generating complex quasi-orthogonal code and apparatus and method for spreading channel data using the quasi-orthogonal code in cdma communication system
03/18/2009EP0956683B1 Data transmission method and radio system
03/18/2009CN201210730Y Front-end high definition audio and video interface device for interactive digital television
03/18/2009CN101390360A In phase and quadrature path imbalance compensation
03/18/2009CN101390359A Method and system of radio communications with various resolution levels of signal modulation depending on propagation conditions
03/18/2009CN101390358A Apparatus for generating down link signal, and method and apparatus for cell search in cellular system
03/18/2009CN101390357A Transmission method with optimal power allocation emitted for multicarrier transmitter
03/18/2009CN101390356A Method and apparatus for wireless resource allocation
03/18/2009CN101390355A Efficient bank of correlators for sets of GCL sequences
03/18/2009CN101390317A Improved method and device of multicarrier modulation systems
03/18/2009CN101389053A Multimedia broadcast multicast service transmission method and system
03/18/2009CN101388879A Method and system for continuously compensating for phase variations introduced into a communication signal by automatic gain control adjustments
03/18/2009CN101388878A Polar modulation without analog filtering
03/18/2009CN101388877A Chirp spread spectrum technique non-coherent demodulation method based on fractional Fourier transform
03/18/2009CN101388876A OFDM signal portable terminal and e-commerce system
03/18/2009CN101388875A OFDM signal broadcasting system and portable terminal
03/18/2009CN101388874A OFDM signal broadcasting system and portable terminal
03/18/2009CN101388873A Data signal modulation, demodulation method, transceiver and transceiving system
03/18/2009CN101388872A Data signal modulation, demodulation method, transceiver and transceiving system
03/18/2009CN101388871A Novel method and system for synchronization based on OFDM system
03/18/2009CN101388870A Resource allocation signaling generating method based on OFDM system
03/18/2009CN101388869A Method for reducing narrow-band interference of OFDM receiver
03/18/2009CN101388868A Receiving method and receiver for MIMO OFDM system
03/18/2009CN101388867A Resource scheduling method based on OFDM system
03/18/2009CN101388866A Signal generating apparatus and method thereof
03/18/2009CN101388864A Channel estimation method and device for OFDM communication system
03/18/2009CN101388745A Parallel channel decoding apparatus applied in radio multimedia sensor network
03/18/2009CN101388744A Adaptive encoding modulation method
03/18/2009CN101388743A Physical channel mapping device and mapping method for OFDM system
03/18/2009CN101388735A Digital broadcasting wave receiving device
03/18/2009CN101388729A Phase unbalance monitoring device, amplitude unbalance monitoring device and device using them
03/18/2009CN101388712A Distance measuring signal processing method and system for OFDM access system
03/18/2009CN101388700A Method and apparatus for adaptively selecting compression mode of channel quality indication information
03/18/2009CN101388697A Method for randomizing neighborhood cell interference in OFDM system
03/18/2009CN101388687A Chip implementing fast high-efficient non-cooperative signal-noise ratio direct spreading signal detection method
03/18/2009CN100471317C Communication system and method with detection of extra-system interference
03/18/2009CN100471192C Carrier frequency bias estimation method of intersection OFDMA up link system
03/18/2009CN100471191C Method and apparatus for multi-carrier transmission
03/18/2009CN100471190C Multi-carrier radio data communication method
03/18/2009CN100471189C 4FSK soft demodulating method
03/18/2009CN100471188C Adjustment method using two-point modulation transceiver
03/18/2009CN100471187C System and method for providing frequency comain synchronization for single carrier signals
03/18/2009CN100471098C Chain-circuit self-adaption method and equipment based on data subgroup size
03/18/2009CN100471094C OFDM time and frequency synchronizing method capable of correcting long-range frequency deviation
03/18/2009CN100471086C Method for selecting send-antenna through closed-loop control in multi-antenna system
03/18/2009CN100471075C Low and intermediate frequency transmitter capable of switching sideband frequency
03/18/2009CN100471047C Method for producing a transmission signal
03/17/2009US7505781 Core wireless engine
03/17/2009US7505761 Wireless terminal device, wireless communication method, and computer program
03/17/2009US7505543 Method and device for processing the frequency shift of the carrier frequency of a signal modulated with a quadrature continuous single-carrier modulation
03/17/2009US7505538 Ultra wideband communication system, method and device with low noise reception
03/17/2009US7505537 System and method for controlling gain and timing phase in a presence of a first least mean square filter using a second adaptive filter
03/17/2009US7505529 Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system
03/17/2009US7505522 Spectral shaping in multiband OFDM transmitter with clipping
03/17/2009US7505514 Phase-compensation decision feedback channel equalizer and digital broadcasting receiver using the same
03/17/2009US7505511 Matched filter and spread spectrum receiver
03/17/2009US7505507 Apparatus and method for generating a transmit sequence and apparatus and method for retrieving information
03/17/2009US7505430 Alternative frequency strategy for DRM
03/17/2009US7505427 Apparatus and method for improving signal-to-noise ratio in a multi-carrier CDMA communication system
03/17/2009US7505420 Guard section length detecting device and method for orthogonal frequency division multiplexing system receiver
03/17/2009US7505398 OFDM modulation/demodulation system
03/17/2009US7505397 Method for transmitting/receiving data in mobile communication systems using an OFDMA scheme
03/17/2009US7505396 Method and apparatus for establishing interleaver synchronization in an orthogonal frequency division multiplexing (OFDM) communication system
03/17/2009US7505086 Video receiver with DC offset cancellation
03/17/2009US7504890 Data-directed frequency-and-phase lock loop
03/12/2009WO2009032730A2 Apparatus and method for modulating an amplitude, phase or both of a periodic signal on a per cycle basis
03/12/2009WO2009032451A1 Overlay modulation technique for cofdm signals based on amplitude offsets
03/12/2009WO2009032385A1 Adaptive time-domain interpolation for ofdm scattered pilot symbols
03/12/2009WO2009031952A1 Signal modulation for switched mode power amplifiers
03/12/2009WO2009031863A2 Method and system for transmitting and receiving signals
03/12/2009WO2009031862A2 Method of generating reference signal in wireless communication system
03/12/2009WO2009031805A2 Method of transmitting and receiving a signal and apparatus for transmitting and receiving a signal
03/12/2009WO2009031801A2 Method of transmitting data using repetition coding
03/12/2009WO2009031529A1 Transmitter, receiver, and transmitting method
03/12/2009WO2009030895A2 Ofdm receiver
03/12/2009US20090070107 Scalable encoding device and scalable encoding method
03/12/2009US20090069023 Method for resource partition, assignment, transmission and reception for inter-cell interference migration in downlink of ofdm cellular systems
03/12/2009US20090068941 Method and System for Monitoring and Displaying Signals Corresponding to a Transponder of a Satellite in a Satellite Communication System
03/12/2009US20090067833 Method and arrangement for transmitting an optical ofdm-signal
03/12/2009US20090067556 Communications adaptive automatic gain controller
03/12/2009US20090067555 Filter circuit, receiver using the same and filtering method
1 ... 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 ... 898